Table 2.

Brain areas showing a significant correlation with the PCR and CPR indices

Area	Cluster size	Coordinates					Z-score	p values (uncorrected, k > 100)
		X		Y		Z
PCR
Medulla oblongata	165	8	− 30		− 52		3.88	< 0.001
Mid Bbrain	168	8	− 24		− 18		3.41	< 0.001
CPR
R temporoparietal lobe	1295	54	− 54		− 4		4.26	< 0.05 (FWE corrected)
R precuneus	427	8	− 66		50		3.52	< 0.001
L temporal lobe	137	− 42	− 16		− 32		3.41	< 0.001
R temporal lobe	106	48	− 10		− 30		3.29	< 0.001

CPR, caudate-to-putamen ratio; FWE, family-wise error; L, left; MMSE, mini-mental state examination; PCR, putamen-to-caudate ratio; R, right